[특허]Non-symmetrical low NOx burner apparatus and method

Non-symmetrical low NOx burner apparatus and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23D-014/22 F23D-014/62 F23D-014/58 F23D-014/60 F23M-005/02 F23C-006/04
출원번호	US-0299820 (2014-06-09)
등록번호	US-9593848 (2017-03-14)
발명자 / 주소	Zink, Darton J. Isaacs, Rex K. Imel, Parker Marty, Seth Barnes, Jonathon Little, Cody McDonald, John Kirk, Tim Minihan, Tim
출원인 / 주소	ZEECO, INC.
대리인 / 주소	Brown, Dennis D.
인용정보	피인용 횟수 : 0 인용 특허 : 75

초록 ▼

A burner apparatus for a furnace system and a method of burner operation wherein a non-symmetrical positioning of one combustion fuel discharge tip or a grouping of fuel discharge tips within the burner wall produces side-by-side lean and fuel rich combustion stage zones and also produces internal f

대표청구항 ▼

1. A burner apparatus comprising: a burner wall having a forward end, wherein said burner wall surrounds an air flow passageway which extends through said burner wall,said air flow passageway has a forward discharge opening at said forward end of said burner wall, andsaid burner wall has a longitudinal axis which extends through said air flow passageway andsaid burner apparatus having within said air flow passageway surrounded by said burner wall only one combustion fuel discharge tip assembly, said combustion fuel discharge tip assembly within said air flow passageway comprising a single combustion fuel discharge tip having a forward end anda flame stabilizing structure located at, forwardly of, or rearwardly of said forward end of said combustion fuel discharge tip,wherein said combustion fuel discharge tip is located laterally outward with respect to said longitudinal axis of said burner wall at a position which is between said longitudinal axis and said burner wall. 2. The burner apparatus of claim 1 wherein said forward end of said combustion fuel discharge tip is located within a range of from not more than 50 mm reawardly to not more than 50 mm forwardly of said forward discharge opening of said air flow passageway. 3. The burner apparatus of claim 1 wherein said flame stabilizing structure contacts or is within 50 mm of said burner wall. 4. The burner apparatus of claim 1 wherein said combustion fuel discharge tip is a gas fuel discharge tip. 5. The burner apparatus of claim 1 wherein said combustion fuel discharge tip is a round flame discharge tip. 6. The burner apparatus of claim 1 wherein said flame stabilizing structure is a stabilization cone. 7. The burner apparatus of claim 6 wherein at least 75% of a diameter of said stabilization cone is located in a first lateral half of said air flow passageway between said longitudinal axis of said burner wall and a first interior side of said burner wall and not more than 25% of said diameter of said stabilization cone is located in a second lateral half of said air flow passageway between said longitudinal axis of said burner wall and a second interior side of said burner wall opposite said first interior side of said burner wall. 8. The burner apparatus of claim 7 wherein said stabilization cone has a forward edge which contacts or is within 50 mm of said first interior side of said burner wall. 9. The burner apparatus of claim 1 wherein said combustion fuel discharge tip assembly further comprises a fuel riser which extends longitudinally through said air flow passageway to said combustion fuel discharge tip. 10. The burner apparatus of claim 1 wherein said burner wall is a refractory tile wall structure. 11. A burner apparatus comprising: a burner wall having a forward end, wherein said burner wall surrounds a flow passageway which extends through said burner wall for flow of an oxygen-containing gas,said flow passageway has a forward discharge opening at said forward end of said burner wall, andsaid burner wall has a longitudinal axis which extends through said flow passageway;said burner apparatus having within said flow passageway surrounded by said burner wall only one combustion fuel discharge tip, said combustion fuel discharge tip being located in said flow passageway at a laterally outward position with respect to said longitudinal axis of said burner wall which is between said longitudinal axis of said burner wall and a first interior side of said burner wall;a lean combustion zone projecting forwardly from said forward discharge opening of said flow passageway wherein combustion occurs in an excess oxygen to fuel ratio, said lean combustion zone being located adjacent to a second interior side of said burner wall opposite said first interior side of said burner wall; anda fuel rich combustion zone projecting forwardly from said forward discharge opening of said flow passageway wherein combustion occurs in an excess fuel to oxygen ratio, said fuel rich combustion zone being located adjacent to said first interior side of said burner wall. 12. The burner apparatus of claim 11 wherein said combustion fuel discharge tip has a forward end which is located within a range of from 50 mm rearwardly to 50 mm forwardly of said forward discharge opening of said flow passageway. 13. The burner apparatus of claim 11 further comprising a flue gas recirculation region projecting forwardly from said forward discharge opening of said flow passageway wherein combustion occurs with recirculated inert products of combustion being present, said flue gas recirculation region being located adjacent to said first interior side of said burner wall. 14. The burner apparatus of claim 11 wherein said combustion fuel discharge tip is a gas fuel discharge tip. 15. The burner apparatus of claim 11 wherein said combustion fuel discharge tip is a round flame discharge tip. 16. The burner apparatus of claim 11 further comprising a flame stabilizing structure located within a range of from 50 mm rearwardly to 50 mm forwardly of said forward end of said combustion fuel discharge tip. 17. The burner apparatus of claim 16 wherein said flame stabilizing structure is a stabilization cone. 18. The burner apparatus of claim 17 wherein at least 75% of a diameter of said stabilization cone is located in a first lateral half of said flow passageway between said longitudinal axis of said burner wall and said first interior side of said burner wall and not more than 25% of said diameter of said stabilization cone is located in a second lateral half of said flow passageway between said longitudinal axis and said second interior side of said burner wall. 19. The burner apparatus of claim 17 wherein said stabilization cone has a forward edge which contacts or is within 50 mm of said first interior side of said burner wall. 20. The burner apparatus of claim 11 wherein said burner wall is a refractory tile wall structure.

이 특허에 인용된 특허 (75)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Non-symmetrical low NOx burner apparatus and method 원문보기

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Non-symmetrical low NOx burner apparatus and method 원문보기

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